Non-invasive location and tracking of tumors and other tissues for radiation therapy

a tumor and tumor technology, applied in the field of medical treatments, can solve the problems of affecting the precision of tumor targeting and radiation delivery, and achieve the effect of not affecting the accuracy of tumor targeting and delivering radiation

Inactive Publication Date: 2010-08-05
OREGON HEALTH & SCI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Determining the appropriate radiation dosage and the positioning of the tumor remain a challenge.
This may significantly affect the precision of targeting the tumor and delivering radiation, during a single or multiple treatment sessions.

Method used

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  • Non-invasive location and tracking of tumors and other tissues for radiation therapy
  • Non-invasive location and tracking of tumors and other tissues for radiation therapy
  • Non-invasive location and tracking of tumors and other tissues for radiation therapy

Examples

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Embodiment Construction

[0010]In the following detailed description, reference is made to the accompanying drawings which form a part hereof wherein like numerals designate like parts throughout, and in which is shown by way of illustration embodiments which may be practiced. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope. Therefore, the following detailed description is not to be taken in a limiting sense, and the scope of embodiments is defined by the appended claims and their equivalents.

[0011]Various operations may be described as multiple discrete operations in turn, in a manner that may be helpful in understanding embodiments herein; however, the order of description should not be construed to imply that these operations are order dependent.

[0012]The description may use perspective-based descriptions such as up / down, back / front, and top / bottom. Such descriptions are merely used to facilitate the discussion a...

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Abstract

Embodiments herein provide a non-invasive tracking system that accurately predicts the location of tumors, such as lung tumors, in real time, while allowing patients to breathe naturally. This is accomplished by using Electrical Impedance Tomography (EIT), in conjunction with spirometry, strain gauge and infrared sensors, and by using sophisticated patient-specific mathematical models that incorporate the dynamics of tumor motion. With the direction and speed of lung tumor movement successfully tracked, radiation may be effectively delivered to the lung tumor and not to the surrounding healthy tissue, thus increased radiation dosage may be directed to improving local tumor control without compromising functional parenchyma.

Description

CROSS REFERENCE TO RELATED APPLICATIONS [0001]The present application claims priority to U.S. Provisional Patent Application No. 60 / 974,670, filed Sep. 24, 2007, entitled “Non-Invasive Location and Tracking of Tumors and Other Tissues for Radiation Therapy,” the entire disclosure of which is hereby incorporated by reference in its entirety.TECHNICAL FIELD [0002]Embodiments relate to the field of medical therapeutics, more specifically, to non-invasive location and tracking of tumors and other tissues to improve the effectiveness of radiation therapy.BACKGROUND [0003]Current radiation therapy protocols for tumors, such as lung tumors, call for delivering highly concentrated dosages to the tumors within very tight volume and distribution margins. Determining the appropriate radiation dosage and the positioning of the tumor remain a challenge. With respect to a lung tumor, the tumor and body surface generally move during the treatment due to respiratory motion. This may significantly a...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61B5/053
CPCA61B5/0536A61B5/0871A61B5/091A61N5/103A61N5/1049A61N2005/1051A61N2005/1059A61N5/1037
Inventor SONG, XUBOFUSS, MARTINERIKSEN, K. JEFFREYERDOGMUS, DENIZDEFFEBACH, MARKKAURIN, DARRYLHOLLAND, JOHNFITCHEN, JOHN
Owner OREGON HEALTH & SCI UNIV
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